I'll throw a bone out. I'll say for me, if you personally have any questions about any tiny to big thing about Zbrush, feel free to message me and I'll help. That being said, I would specifically recommend the following websites and their videos: 3Dmotive.com. Daniel Ott founded (he's a PC veteran), and they're fairly…
I used to use Digital Tutors (now called Pluralsight). The digital tutors videos are probably outdated, but still hold relevant information. Also, when I started up Zbrush I just went and looked through all the options, and pressed all the buttons.
The discussion of training/education comes up every now and then between my colleagues and I. One thing that a supe. seems to think he'd have done differently (20/20 hindsight, of course) is that he'd have taken the money he spent on tuition, built a couple great rigs, and just hired out a local artist to come and tutor…